diff options
| author | Richard Biener <rguenther@suse.de> | 2012-12-05 09:59:08 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-12-05 09:59:08 +0000 |
| commit | 698ef65e2fee6c848f3b6ae0bf4a099c811e0022 (patch) | |
| tree | 0b7fb7fe0eea47d5762c263242130d5663512258 /gcc | |
| parent | 68fbd81bf093b2c14f94666153ca6428ac237880 (diff) | |
| download | gcc-698ef65e2fee6c848f3b6ae0bf4a099c811e0022.zip gcc-698ef65e2fee6c848f3b6ae0bf4a099c811e0022.tar.gz gcc-698ef65e2fee6c848f3b6ae0bf4a099c811e0022.tar.bz2 | |
re PR tree-optimization/50222 (ICE with -O{1,2} -funswitch-loops -ftree-loop-distribution)
2012-12-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/50222
* gcc.dg/torture/pr50222.c: New testcase.
From-SVN: r194188
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr50222.c | 31 |
2 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index ba114ee..b04fee3 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2012-12-05 Richard Biener <rguenther@suse.de> + PR tree-optimization/50222 + * gcc.dg/torture/pr50222.c: New testcase. + +2012-12-05 Richard Biener <rguenther@suse.de> + PR lto/55525 * gcc.dg/lto/pr55525_0.c: New testcase. * gcc.dg/lto/pr55525_1.c: Likewise. diff --git a/gcc/testsuite/gcc.dg/torture/pr50222.c b/gcc/testsuite/gcc.dg/torture/pr50222.c new file mode 100644 index 0000000..f534d89 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr50222.c @@ -0,0 +1,31 @@ +/* { dg-do compile } */ +/* { dg-options "-funswitch-loops -ftree-loop-distribution" } */ + +typedef struct AVProgram { + void *priv_data; + unsigned int nb_streams; +} AVFormatContext; +typedef struct { + unsigned short flags; + unsigned char stream_id; +} FrameCode; +typedef struct { + FrameCode frame_code[256]; +} NUTContext; +void build_frame_code(AVFormatContext *s, int stream_id, + int is_audio, int pred_count) +{ + NUTContext *nut = s->priv_data; + int keyframe_0_esc = s->nb_streams > 2; + int start2 = 1 + 253*stream_id / s->nb_streams; + int key_frame; + for(key_frame=0; key_frame<2; key_frame++) + { + FrameCode *ft; + if (is_audio && keyframe_0_esc && key_frame==0) + continue; + ft= &nut->frame_code[start2]; + ft->flags|= 3; + ft->stream_id= stream_id; + } +} |